| # =========================================================================== |
| # crosstool-NG configuration targets |
| # These targets are used from top-level makefile |
| |
| # The place where the kconfig stuff lies |
| obj = kconfig |
| |
| #----------------------------------------------------------- |
| # The configurators rules |
| |
| configurators = menuconfig nconfig oldconfig |
| PHONY += $(configurators) |
| |
| $(configurators): config_files |
| |
| menuconfig: $(obj)/mconf |
| @$(ECHO) " CONF $(KCONFIG_TOP)" |
| $(SILENT)$< $(KCONFIG_TOP) |
| |
| nconfig: $(obj)/nconf |
| @$(ECHO) " CONF $(KCONFIG_TOP)" |
| $(SILENT)$< $(KCONFIG_TOP) |
| |
| oldconfig: $(obj)/conf .config |
| @$(ECHO) " CONF $(KCONFIG_TOP)" |
| $(SILENT)$< --silent$@ $(KCONFIG_TOP) |
| |
| # Always be silent, the stdout an be >.config |
| extractconfig: |
| @awk 'BEGIN { dump=0; } \ |
| dump==1 && $$0~/^\[.....\][[:space:]]+(# |)CT_/ { \ |
| $$1=""; \ |
| gsub("^[[:space:]]",""); \ |
| print; \ |
| } \ |
| $$0~/Dumping user-supplied crosstool-NG configuration: done in/ { \ |
| dump=0; \ |
| } \ |
| $$0~/Dumping user-supplied crosstool-NG configuration$$/ { \ |
| dump=1; \ |
| }' |
| |
| #----------------------------------------------------------- |
| # Help text used by make help |
| |
| help-config:: |
| @echo ' menuconfig - Update current config using a menu based program' |
| @echo ' oldconfig - Update current config using a provided .config as base' |
| @echo ' extractconfig - Extract to stdout the configuration items from a' |
| @echo ' build.log file piped to stdin' |
| |
| #----------------------------------------------------------- |
| # Hmmm! Cheesy build! |
| # Or: where I can unveil my make-fu... :-] |
| |
| # Oh! Files not here are there, in fact! :-) |
| vpath %.c $(CT_LIB_DIR) |
| vpath %.h $(CT_LIB_DIR) |
| |
| # What is the compiler? |
| HOST_CC ?= gcc -funsigned-char |
| HOST_LD ?= gcc |
| |
| # Helpers |
| check_gettext = $(CT_LIB_DIR)/kconfig/check.sh |
| check_lxdialog = $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh |
| |
| # Build flags |
| CFLAGS = -DCONFIG_=\"CT_\" -DPACKAGE="\"crosstool-NG $(CT_VERSION)\"" |
| LDFLAGS = |
| |
| # Compiler flags to use gettext |
| INTL_CFLAGS = $(shell $(SHELL) $(check_gettext) $(HOST_CC) $(EXTRA_CFLAGS)) |
| |
| # Compiler and linker flags to use ncurses |
| NCURSES_CFLAGS = $(shell $(SHELL) $(check_lxdialog) -ccflags) |
| NCURSES_LDFLAGS = $(shell $(SHELL) $(check_lxdialog) -ldflags $(HOST_CC)) |
| |
| # Check that we have the required ncurses stuff installed for lxdialog (menuconfig) |
| dochecklxdialog: |
| $(SILENT)$(SHELL) $(check_lxdialog) -check $(HOST_CC) $(NCURSES_CFLAGS) $(NCURSES_LDFLAGS) |
| |
| # Common source files |
| COMMON_SRC = kconfig/zconf.tab.c |
| COMMON_OBJ = $(patsubst %.c,%.o,$(COMMON_SRC)) |
| COMMON_DEP = $(patsubst %.o,%.dep,$(COMMON_OBJ)) |
| $(COMMON_OBJ) $(COMMON_DEP): CFLAGS += $(INTL_CFLAGS) |
| |
| # lxdialog source files |
| LX_SRC = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/kconfig/lxdialog/*.c)) |
| LX_OBJ = $(patsubst %.c,%.o,$(LX_SRC)) |
| LX_DEP = $(patsubst %.o,%.dep,$(LX_OBJ)) |
| $(LX_OBJ) $(LX_DEP): CFLAGS += $(NCURSES_CFLAGS) $(INTL_CFLAGS) |
| |
| # What's needed to build 'conf' |
| conf_SRC = kconfig/conf.c |
| conf_OBJ = $(patsubst %.c,%.o,$(conf_SRC)) |
| conf_DEP = $(patsubst %.o,%.dep,$(conf_OBJ)) |
| $(conf_OBJ) $(conf_DEP): CFLAGS += $(INTL_CFLAGS) |
| |
| # What's needed to build 'mconf' |
| mconf_SRC = kconfig/mconf.c |
| mconf_OBJ = $(patsubst %.c,%.o,$(mconf_SRC)) |
| mconf_DEP = $(patsubst %.c,%.dep,$(mconf_SRC)) |
| $(mconf_OBJ) $(mconf_DEP): CFLAGS += $(NCURSES_CFLAGS) $(INTL_CFLAGS) |
| $(obj)/mconf: LDFLAGS += $(NCURSES_LDFLAGS) |
| |
| # What's needed to build 'nconf' |
| nconf_SRC = kconfig/nconf.c kconfig/nconf.gui.c |
| nconf_OBJ = $(patsubst %.c,%.o,$(nconf_SRC)) |
| nconf_DEP = $(patsubst %.c,%.dep,$(nconf_SRC)) |
| $(nconf_OBJ) $(nconf_DEP): CFLAGS += $(INTL_CFLAGS) |
| $(obj)/nconf: LDFLAGS += -lmenu -lpanel -lncurses |
| |
| # Under Cygwin, we need to auto-import some libs (which ones, exactly?) |
| # for mconf and nconf to lin properly. |
| ifeq ($(shell uname -o 2>/dev/null || echo unknown),Cygwin) |
| $(obj)/mconf: LDFLAGS += -Wl,--enable-auto-import |
| $(obj)/nconf: LDFLAGS += -Wl,--enable-auto-import |
| endif |
| |
| # These are generated files: |
| ALL_OBJS = $(sort $(COMMON_OBJ) $(LX_OBJ) $(conf_OBJ) $(mconf_OBJ) $(nconf_OBJ)) |
| ALL_DEPS = $(sort $(COMMON_DEP) $(LX_DEP) $(conf_DEP) $(mconf_DEP) $(nconf_DEP)) |
| |
| # Cheesy auto-dependencies |
| # Only parse the following if a configurator was called, to avoid building |
| # dependencies when not needed (eg. list-steps, list-samples...) |
| # We must be careful what we enclose, because we need some of the variable |
| # definitions for clean (and distclean) at least. |
| # Just protecting the "-include $(DEPS)" line should be sufficient. |
| # And in case we want menuconfig, we have to check that lxdialog |
| # can find a curses lib. |
| |
| ifneq ($(strip $(MAKECMDGOALS)),) |
| ifneq ($(strip $(filter $(configurators),$(MAKECMDGOALS))),) |
| |
| DEPS = $(COMMON_DEP) |
| ifneq ($(strip $(filter oldconfig,$(MAKECMDGOALS))),) |
| DEPS += $(conf_DEP) |
| endif |
| ifneq ($(strip $(filter menuconfig,$(MAKECMDGOALS))),) |
| DEPS += $(mconf_DEP) $(LX_DEP) |
| $(COMMON_OBJ) $(COMMON_DEP): |dochecklxdialog |
| $(LX_OBJ) $(LX_DEP): |dochecklxdialog |
| $(mconf_OBJ) $(mconf_DEP): |dochecklxdialog |
| endif |
| ifneq ($(strip $(filter nconfig,$(MAKECMDGOALS))),) |
| DEPS += $(nconf_DEP) |
| endif |
| |
| -include $(DEPS) |
| |
| endif # MAKECMDGOALS contains a configurator rule |
| endif # MAKECMDGOALS != "" |
| |
| # Each .o or .dep *can not* directly depend on kconfig/, because kconfig can |
| # be touched during the build (who's touching it, btw?) so each .o or .dep |
| # would be re-built when it should not be. |
| # So manually check for presence of $(obj) (ie. kconfig), and only mkdir |
| # if needed. After all, that's not so bad... |
| # mkdir $(obj)/lxdialog, because we need it, and incidentally, that |
| # also creates $(obj). |
| define check_kconfig_dir |
| $(SILENT)if [ ! -d $(obj)/lxdialog ]; then \ |
| $(ECHO) " MKDIR $(obj)"; \ |
| mkdir -p $(obj)/lxdialog; \ |
| fi |
| endef |
| |
| # Build the dependency for C files |
| %.dep: %.c $(CT_LIB_DIR)/kconfig/kconfig.mk |
| $(check_kconfig_dir) |
| @$(ECHO) " DEP $@" |
| $(SILENT)$(HOST_CC) $(CFLAGS) $(EXTRA_CFLAGS) -MM $< |$(sed) -r -e 's|([^:]+.o)( *:+)|$(<:.c=.o) $@\2|;' >$@ |
| |
| # Build C files |
| %.o: %.c $(CT_LIB_DIR)/kconfig/kconfig.mk |
| $(check_kconfig_dir) |
| @$(ECHO) " CC $@" |
| $(SILENT)$(HOST_CC) $(CFLAGS) $(EXTRA_CFLAGS) -o $@ -c $< |
| |
| # Actual link |
| $(obj)/mconf: $(COMMON_OBJ) $(LX_OBJ) $(mconf_OBJ) |
| @$(ECHO) ' LD $@' |
| $(SILENT)$(HOST_LD) -o $@ $^ $(LDFLAGS) $(EXTRA_LDFLAGS) |
| |
| $(obj)/nconf: $(COMMON_OBJ) $(nconf_OBJ) |
| @$(ECHO) ' LD $@' |
| $(SILENT)$(HOST_LD) -o $@ $^ $(LDFLAGS) $(EXTRA_LDFLAGS) |
| |
| $(obj)/conf: $(COMMON_OBJ) $(conf_OBJ) |
| @$(ECHO) ' LD $@' |
| $(SILENT)$(HOST_LD) -o $@ $^ $(LDFLAGS) $(EXTRA_LDFLAGS) |
| |
| #----------------------------------------------------------- |
| # Cleaning up the mess... |
| |
| clean:: |
| @$(ECHO) " CLEAN kconfig" |
| $(SILENT)rm -f kconfig/{,m,n}conf{,.exe} $(ALL_OBJS) $(ALL_DEPS) |
| $(SILENT)rmdir --ignore-fail-on-non-empty kconfig{/lxdialog,} 2>/dev/null || true |
